Steve U Jacksonville , AL March 23, 2022 Appliance: General Electric Dishwasher GDT695SMJ0ES Ge Dishwasher Gdt695smj0es: 815 error code. How to replace Dishwasher Main Control Board. Replaced the main circuit board. Fairly easy to do and my dishwasher is back running. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes